1 files changed, 10 insertions, 0 deletions
diff --git a/grapher/Graph.hxx b/grapher/Graph.hxx
index efabd22d..7037efa9 100644
--- a/grapher/Graph.hxx
+++ b/grapher/Graph.hxx
@@ -50,12 +50,22 @@ public:
   GraphDataList& getDatasets() { return _datasets; }
   int64_t getTimeAtPoint(double x);
   void window2GraphCoords(double x, double y, double& xgraph, double& ygraph);
+  static void setCurrentTime(int64_t time) { _currentTime = time; }
+
+  /*
+   * universal horizontal factor
+   */
+  double getHorizontalScale()
+  {
+    return _graphWidth / static_cast<double>(_right - _left);
+  }
 protected:
   GraphDataList _datasets;
   int64_t _left;
   int64_t _right;
   double _top;
   double _bottom;
+  static int64_t _currentTime;
 };
 }
 #endif